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mm/filemap: pass a sleep state to put_and_wait_on_page_locked

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This is prep work for the next patch, but I think at least one of the
current callers would prefer a killable sleep to an uninterruptible one.

Link: https://lkml.kernel.org/r/20210122160140.223228-6-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Kent Overstreet <kent.overstreet@gmail.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Cc: Miaohe Lin <linmiaohe@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Matthew Wilcox (Oracle)
2021-02-24 12:02:02 -08:00
committed by Linus Torvalds
parent cbd59c48ae
commit 4805462598
4 changed files with 10 additions and 8 deletions
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4
mm/migrate.c
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@@ -331,7 +331,7 @@ void __migration_entry_wait(struct mm_struct *mm, pte_t *ptep,
if (!get_page_unless_zero(page))
goto out;
pte_unmap_unlock(ptep, ptl);
put_and_wait_on_page_locked(page);
put_and_wait_on_page_locked(page, TASK_UNINTERRUPTIBLE);
return;
out:
pte_unmap_unlock(ptep, ptl);
@@ -365,7 +365,7 @@ void pmd_migration_entry_wait(struct mm_struct *mm, pmd_t *pmd)
if (!get_page_unless_zero(page))
goto unlock;
spin_unlock(ptl);
put_and_wait_on_page_locked(page);
put_and_wait_on_page_locked(page, TASK_UNINTERRUPTIBLE);
return;
unlock:
spin_unlock(ptl);